Denoising and Defect Diagnosis of Material Ultrasonic Detection signal Based on Best Wavelet Packet Base

The use of ultrasonic nondestructive testing of material internal defect，ultrasonic signal acquired at actual working spot usually includes large amount of noise.Extraction of the defect characteristic information will be influeced greatly if the ultrasonic signal is not effectively denoised. A new...

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Veröffentlicht in:	Applied Mechanics and Materials 2013-01, Vol.239-240, p.52-56
Hauptverfasser:	Yan, Xiao Ling, Dong, Shi Yun, Xu, Bin Shi, Wang, Wang Long
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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